Home / 9,991.08-13,789.44-5,799.60

Finding the Fourth Proportional to 9,991.08, 13,789.44 and 5,799.60

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Solution

The fourth proportional to 9,991.08, 13,789.44 and 5,799.60 is: 8,004.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991.08 : 13,789.44 = 5,799.60 : x
  2. Step 2: Convert to fraction form
    9,991.08/13,789.44 = 5,799.60/x
  3. Step 3: Cross multiply
    9,991.08x = 13,789.44 × 5,799.60
  4. Step 4: Simplify right side
    9,991.08x = 79,973,236.22
  5. Step 5: Solve for x
    x = 79,973,236.22/9,991.08
  6. Step 6: Final answer
    x = 8,004.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.